find mfcc from frames of song

i want to find mfcc of each frame of a song. can you tell me how to find mfcc. i found this code but unable to understand what is it doing. this code is printing an array and duration and period. But i heard that mfcc gives you some co-eficient against each frame. can you help me in how to use this code.
Here is the code
This is the main program (timeseries.py):